Polar bears are carnivorous, mostly eating seals, . They also eat Arctic foxes, reindeer, rodents, musk ox, fish, shellfish, eggs and seabirds such as gulls. They have been known to eat beluga whales and even walruses.
The Australian Bureau of Statistics survey reveals households spend an average of $60 each week on fuel for vehicles, and $39 on gas and electricity for their homes. Households in the Northern Territory face the highest total energy costs of any state or territory, with a weekly bill of $110.
On average, high income families with three children spend around $1045 a week on them. Low and middle income families with three children also face substantial costs, spending $476 and $667, on average each week respectively. A better understanding of the extent of these costs to families is gained by again looking at the proportion of total income that these figures represent.